File:CDRlogo.svg|thumb|Compact Disc Recordable (CD-R) logo/trademark
'''CD-R''' ('''Compact Disc-Recordable''') is a digital media|digital optical disc data storage device|storage
format. A CD-R disc is a compact disc
that can be Write once read many|written once and read arbitrarily many
CD-R disks (CD-Rs) are readable by most plain CD readers, i.e., CD readers manufactured prior to the introduction of CD-R. This is an advantage over CD-RW
, which can be re-written but cannot be played on many plain CD readers.